1729012 has 12 divisors (see below), whose sum is σ = 3037636. Its totient is φ = 861120.

The previous prime is 1729001. The next prime is 1729033. The reversal of 1729012 is 2109271.

It can be written as a sum of positive squares in 2 ways, for example, as 274576 + 1454436 = 524^2 + 1206^2 .

It is a super-2 number, since 2×1729012² = 5978964992288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562 + ... + 1942.

2^1729012 is an apocalyptic number.

It is an amenable number.

1729012 is a deficient number, since it is larger than the sum of its proper divisors (1308624).

1729012 is a wasteful number, since it uses less digits than its factorization.

1729012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1729012 is about 1314.9190089127. The cubic root of 1729012 is about 120.0234213543.

The spelling of 1729012 in words is "one million, seven hundred twenty-nine thousand, twelve".